音频部分的配置:
<*> Advanced Linux Sound Architecture --->
...
<*> OSS Mixer API
<*> OSS PCM (digital audio) API
[*] OSS PCM (digital audio) API - Include plugin system
...
<*> ALSA for SoC audio support --->
<*> SoC Audio for the Samsung S3CXXXX chips
<*> SoC I2S Audio support UDA134X wired to a S3C24XX
<*> ALSA for SoC audio support --->